Home / 124,769.54-172,182.12-68,180.96

Finding the Fourth Proportional to 124,769.54, 172,182.12 and 68,180.96

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Solution

The fourth proportional to 124,769.54, 172,182.12 and 68,180.96 is: 94,089.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,769.54 : 172,182.12 = 68,180.96 : x
  2. Step 2: Convert to fraction form
    124,769.54/172,182.12 = 68,180.96/x
  3. Step 3: Cross multiply
    124,769.54x = 172,182.12 × 68,180.96
  4. Step 4: Simplify right side
    124,769.54x = 11,739,542,236.44
  5. Step 5: Solve for x
    x = 11,739,542,236.44/124,769.54
  6. Step 6: Final answer
    x = 94,089.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.